Equations of Parallel and Perpendicular Lines Review

Front

What is the slope of a line that is parallel to another line?

Back

The slope of a line that is parallel to another line is the same.

Front

What is the slope of a line that is perpendicular to another line?

Back

The slope of a line that is perpendicular to another line is the negative reciprocal of the slope of the other line.

Front

Write the equation of a line that is parallel to y = 2x + 3 and passes through the point (1, 5).

Back

y = 2x + 3.

Front

If two lines have slopes of 3 and -1/3, are they parallel, perpendicular, or neither?

Back

They are perpendicular.

Front

What is the general form of the equation of a line?

Back

The general form is Ax + By + C = 0.

Front

How do you determine if two lines are parallel using their equations?

Back

Two lines are parallel if their slopes are equal.

Front

How do you determine if two lines are perpendicular using their slopes?

Back

Two lines are perpendicular if the product of their slopes is -1.

Front

Write the equation of a line that is perpendicular to y = 4x - 1 and passes through the point (2, 3).

Back

y = -1/4x + 3.5.

Front

What is the slope-intercept form of a line?

Back

The slope-intercept form is y = mx + b, where m is the slope and b is the y-intercept.

Front

If the equation of a line is y = -2x + 5, what is the slope?

Back

The slope is -2.